Cian is a partner and Head of the Corporate and M&A Group. Cian specialises in mergers and acquisitions, advising on public and private transactions as well as corporate finance and equity capital markets transactions.

Cian has experience advising on domestic and cross border transactions in a number of industries including the pharma/healthcare, financial services, energy and technology sectors as well as advising on corporate migrations, holding company structures, schemes of arrangement and cross border mergers. Cian has extensive experience in public M&A and has advised international clients and boards of directors on investing in Ireland and Irish based acquisitions including advising on some of the largest and most high-profile public transactions in Irish corporate history. Prior to joining Arthur Cox Cian was a partner in another leading Irish law firm and spent a number of years based in London and New York.

Relevant Experience

  • Advising Brookfield on its recommended €1.89 billion acquisition of Hibernia REIT plc
  • Advising Global Shares plc on its acquisition by JP Morgan
  • Advising NYSE listed Angel Pond Holdings Corporation on its proposed “de-SPAC” transaction with MariaDB Corporation Ab
  • Advising PRA Health Sciences Inc. on its $12bn acquisition by ICON plc
  • Advising Aon plc on its recommended $80 billion all-share combination with Willis Towers Watson plc
  • Advising Further Global Capital Management on its acquisition of AA Ireland
  • Advising Allergan plc on its $63 billion merger with AbbVie
  • Advising Mediahuis NV on its €145.6 million takeover of Independent News & Media plc
  • Advising Aryzta A.G. on its €800 million underwritten rights issue and the resulting admission of shares on the SIX Swiss Exchange and Euronext Dublin
  • Advising Praxair, Inc. on its $70 billion merger of equals with Linde A.G. and the admission of Linde plc to the NYSE and the main market in Frankfurt
  • Advising Greencore Group plc on its sale of Greencore US for $1,075 million and related £509 million share repurchase/tender offer
  • Advising Medtronic plc on its acquisition of Irish medtech firm Crospon Limited


Cian McCourt “excels at understanding our overall needs and objectives and recommending alternatives and solutions to achieve our desired results. He is a great communicator and is incredibly responsive. He is an asset to his firm and has become a trusted adviser to us.”

IFLR1000: The Guide to the World’s Leading Financial Law Firms, 2022

Cian McCourt is “secure on deadlines, a problem-solver, and seeks compromises.”

IFLR1000: The Guide to the World’s Leading Financial Law Firms, 2022

Cian McCourt is “a really excellent lawyer with a superb ability to provide commercial solutions to challenges faced during a deal.”

Chambers Europe: Europe’s Leading Lawyers for Business, 2022

Cian McCourt is “extremely responsive.”

Chambers Global: Europe’s Leading Lawyers for Business, 2021

Cian McCourt “has the necessary depth of knowledge and experience to give commercially sound advice.”

Chambers Global: Europe’s Leading Lawyers for Business, 2021

Education & Qualifications

  • BA (Mod) Business and Economics, 1996, Trinity College Dublin
  • Admitted as a Solicitor in Ireland 2001
  • Member of International Bar Association
  • Member of American Bar Association